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Explain Readers-writers problem.
Readers-writers problem: Assume that a data object (as a file or record) is to be shared between several concurrent processes. The readers are processes which are interested in only reading the content of shared data-object. Writers are the processes which may need to update (i.e. to read and write) the shared data object. No adverse effects will result, if two readers access the shared data object simultaneously. Though, if a writer and some other process (either a writer or reader) access the shared object concurrently, anomaly may arise. To make sure that these difficulties do not occur, writers are needed to have exclusive access to the shared object. Such synchronization problem is referred to as the problem of readers-writers.
What is the kernel? A more common definition is that the OS is the one program running at all times on the computer ,usually known as the kernel, with all else being
Name the ABAP/4 Modularization techniques. Techniques are:- Source code module. Subroutines. Functions.
Data can be moved from one field to another using a 'Write:' Statement and stored in the desired format. Write: Date_1 to Date_2 format DD/MM/YY.
Layered Architecture of EDI: EDI is most commonly applied in the implementation and settlement phases of the trade cycle. In implementation of a simple trade exchange, the cust
Illustrate the basic structure of the von Neumann machine The following figure shows basic structure of the von Neumann machine. A von Neumann machine has only a single path be
State the hardware faults and softwate faults - protection against hardware faults could be to keep backups or use GFS; use of UPS (in case of power loss) and parallel system a
What are the categories of Radio communication 1. Sky wave or ionosphere communication 2. Line-of-sight (LOS) microwave communication limited by horizon 3. Troposphere
Define access time for magnetic disk. The sum of seek time and rotational delay is known as access time for disks. Normal 0 false false false EN-IN
Q. Explain about Combinational Circuits? Combinational Circuit is one of the models for parallel computers. In interconnection networks, different processors correspond with ea
Question 1 How to call a WML Script from a WML page Question 2 Discuss on the following WML Script data type Question 3 Discuss on the following WML script statements
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